Color: Blue This silicone bow grip helper and bow stopper set is designed to help beginners form a relaxed and effective bow hold and to practice specific bowing techniques. It is simple to install, light to carry, and washable for repeated use. Key benefits Helps beginners form a stable, natural bow hold by training muscle memory without interfering with movement. Bow stopper provides precise placement for practicing upper, middle, and lower bow techniques, including detache. Quick and easy to install on most bows, reducing unnecessary setup time. Durable silicone construction that can be washed and reused. Compact and lightweight for storage in a violin case and convenient use during lessons. Features and specifications Compatible with violin and viola bows sized 4/4, 3/4, 1/2, 1/4, and 1/8. Fits both octagonal and round bow sticks. Material: silicone. Color: Blue (also available in White, Black, Pink, Yellow, Orange). Weight: Grip helper 25.50 g per piece; Bow stopper 4.4 g per piece. Package contents: 1 bow grip helper, 2 bow stoppers. How the bow stopper is used Clamp near the tip to focus on upperbow technique. Clamp near the frog to isolate and practice lowerbow work. Place in the middle to train consistent detache and middlebow control. Practical use scenarios Beginner practice: Use the grip helper during daily practice to develop a relaxed, secure bow hold and to speed the learning of basic bowing motions. Classroom teaching: Instructors can place stoppers at different positions to demonstrate and isolate bowing zones for small groups or individual lessons. Performance preparation: Quickly attach the grip and stoppers before rehearsals to reinforce consistent technique and reduce setup time. Care and notes Made of washable silicone for easy cleaning and longterm use. Small and lightweight for convenient storage in instrument cases. If any issues arise during use, follow the seller support process provided at point of .